/*
 * MIT License
 *
 * Copyright (c) 2020 wen.gu <454727014@qq.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

 /***************************************************************************
  * Name: mp_track_player.h
  *
  * Purpose: track player implementation for micro player
  *
  * Developer:
  *   wen.gu , 2020-08-04
  *
  * TODO:
  *
  ***************************************************************************/

#ifndef __MP_TRACK_PLAYER_H__
#define __MP_TRACK_PLAYER_H__

/******************************************************************************
**    INCLUDES
******************************************************************************/
#include <functional>

#include "mp_types.h"
#include "mp_media.h"
#include "mp_buffer.h"
/******************************************************************************
**    MACROS
******************************************************************************/


/******************************************************************************
**    TYPE DEFINITIONS
******************************************************************************/
enum class TrackPlayState: uint8_t
{
    Init = 0,
    Playing = 1,
    Paused = 2,
    Stopped = 3,

};

//using TrackPlayStateHandler = std::function<void(TrackPlayState)>;
using TrackPlayTimeSource = std::function<int64_t(void)>;

/******************************************************************************
**    CLASSES/FUNCTIONS DEFINITIONS
******************************************************************************/

class MP_CLASS TrackPlayer
{
public:
    TrackPlayer();
    virtual ~TrackPlayer();
public:
    static TrackPlayer* create(eMediaCategory cat);

public:
    virtual void reset() = 0;  /** */
    //virtual void setPlayStateHandler(TrackPlayStateHandler handler) = 0;
    virtual void setPlayTimeSource(TrackPlayTimeSource timeSource) = 0;

    virtual eMPError initialize(MPTrackInfo& info) = 0;
    virtual void write(MPBuffer* packet) = 0;
    virtual eMPError start() = 0;
    virtual eMPError pause() = 0;
    virtual eMPError sync() = 0; /** wait all cached data play to end */
    virtual eMPError clear() = 0; /** just clear(drop) all data cached in track player */

    virtual int64_t playtimeMs() = 0; /** get current playtime */

public:
    TrackPlayer(const TrackPlayer&) = delete;
    TrackPlayer& operator=(const TrackPlayer&) = delete;

    TrackPlayer(TrackPlayer&&) = delete;
    TrackPlayer& operator=(TrackPlayer&&) = delete;
};

#endif /** !__MP_TRACK_PLAYER_H__ */

